<html>
    <form action="renew_start">
    <h1>Thay doi time bat dau hop dong</h1>
    <table>
    <tr>
        <td>Thang bat dau</td>
        <td><input type="text" name="start_month" size="40"></td>
    </tr>
    <tr>
        <td>Nam bat dau</td>
        <td><input type="text" name="start_year" size="40"></td>
    </tr>      
    <tr>
        <td><input type="submit" value="submit"></td>     
    </tr>            
    </form>
</table>
 </html>